4 (1/2x 7) = 12. what is x. can someone do the whole answer with the work?

When carla looked out at the school parking lot she notice that for every 2 minivans there were5 other types of vehicles if there are 161 in the parking lot how many of them are not minivans

How many pairs of numbers can you find that have a sum of 99

1/3 of the class have dogs, of those students, 2/5 have beagles, what fraction of the class have beagles

What is the best estimate of the circumference of a circle with a diameter of 47mm: a) 141 mm b) 139mm c) 121mm d) 100mm

0.8-4x=-0. y 6x+4.0y=4.2 Which of the following shows the system with like terms aligned? -4x - 0.4y = - 0.8 6x + 0.4y = 4.2 -4x + 0.4y = 0.8 6x + 0.4y = 4.2 -4x + 0.4y = - 0.8 6x + 0.4y = 4.2 -4x + 0.4y = - 0.8 6x - 0.4y = 4.2

Solve for y y - (-10) = -41

Marty's Barber Shop has one barber. Customers have an arrival rate of 2.2 customers per hour, and haircuts are given with a service rate of 5 per hour.

How many tens are in 20,000 pounds?

Write an expression for the number of hours in an unknown number of minutes.

A half of a class and a half of a student got A on a test. If yet another student got an A, then two-thirds of the class would have an A for the test! How many students are there in that class?